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Groovy: A powerful, dynamic language for the JVM
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.codehaus.groovy.transform.stc;
import org.codehaus.groovy.ast.*;
import org.codehaus.groovy.control.SourceUnit;
import java.util.concurrent.atomic.AtomicReference;
/**
* A visitor used as a callback to {@link org.codehaus.groovy.transform.stc.StaticTypeCheckingVisitor#existsProperty(org.codehaus.groovy.ast.expr.PropertyExpression, boolean, org.codehaus.groovy.ast.ClassCodeVisitorSupport)}
* which will return set the type of the found property in the provided reference.
*
* @author Cedric Champeau
*/
class PropertyLookupVisitor extends ClassCodeVisitorSupport {
private final AtomicReference result;
public PropertyLookupVisitor(final AtomicReference result) {
this.result = result;
}
@Override
protected SourceUnit getSourceUnit() {
return null;
}
@Override
public void visitMethod(final MethodNode node) {
result.set(node.getReturnType());
}
@Override
public void visitProperty(final PropertyNode node) {
result.set(node.getType());
}
@Override
public void visitField(final FieldNode field) {
result.set(field.getType());
}
}